מחזור ליום שני של ראש השנה Prayerbook for the New Year (1965) is volume 2 in a set of maḥzorim reprinting Wolf Heidenheim’s arrangement of liturgy according to the Ashkenazi custom, accompanied by an English translation by Jenny Marmorstein, z”l (1920-2020).

מחזור ליום ראשון של ראש השנה Prayerbook for the New Year (1965) is volume 1 in a set of maḥzorim reprinting Wolf Heidenheim’s arrangement of liturgy according to the Ashkenazi custom, accompanied by an English translation by Jenny Marmorstein, z”l (1920-2020).

סדור לחול לשבת וליום טוב Ritual de Oraciones para Todo el Año (1965) is a bilingual Hebrew-Spanish prayerbook for the entire year compiled and translated by Rabbi Marcos Edery z”l, and published by the World Council of [Conservative] Synagogues. Besides the liturgy of the siddur, this prayerbook includes essays concerning prayer by 20th century scholars in Spanish translation, such as Rabbi Abraham Joshua Heschel and Israel Abrahams.

תפלת ערבית לשבת ולשלש רגלים Ritual de Oraciones para Servicios Vespertinos Sabaticos y Festividades (1963) is a bilingual Hebrew-Spanish prayerbook for Shabbat and Festival evenings compiled and translated by Marcos Edery and published by the World Council of Synagogues for Latin America.

The second revised edition of Rabbi Simeon Singer’s Authorised Daily Prayer Book, enlarged under the direction of chief rabbi Israel Brodie and published by Singer’s Prayer Book Publishing Committee in 1962.

A maḥzor for Rosh haShanah and Yom Kippur, prepared for a mid-20th century Conservative Jewish congregation in Philadelphia.

A trans-denominational prayer book compiled for the use of United States personnel in the Armed Services.

Ben Zion Bokser’s popular mid-20th century modern prayerbook for Conservative American Jewry.

A Friday and pilgrimage festival night siddur, translated with a unique transliteration schema devised by Rabbi Max D. (Meir David) Klein of Congregation Adath Jeshurun in Philadelphia, 1954.

A haggadah for the Passover Seder by Paltiel Birnbaum for the Hebrew Publishing Company.

סידור שלם לכל תפלות השבת Volledige Sidoer vir die Sabbat (1952) was prepared by Rabbi Dr. Moses Romm (1897-1976) and presents the first ever translation of Jewish liturgy into Afrikaans (as far as we know).

A bilingual Hebrew-English prayerbook for Shabbat, Festivals, and Weekdays, prepared in 1951 by Rabbi Max D. Klein for his congregation Adath Jeshurun, a Conservative synagogue in Philadelphia.

The first nusaḥ ha-ARI z”l (“Sefardic-Ḥassidic”) prayerbook with a relatively complete English translation, published in 1951 by the Hebrew Publishing Company.

A bilingual Hebrew-English maḥzor for the festivals of Pesaḥ, Shavuot, and Sukkot (with Shmini Atseret and Simḥat Torah) in the Sepharadic tradition compiled by David de Sola Pool in 1947.

The Rabbinical Assembly of America’s popular mid-20th century modern prayerbook for Conservative American Jewry based upon the work of Rabbi Morris Silverman.

A bilingual, nusaḥ Sefaradi, Hebrew-Bulgarian prayerbook compiled by Rabbi Daniel Solomon Ẓion (1883-1979) in 1946 after being appointed chief rabbi of Sofia, and before his 1949 immigration to the then new State of Israel.

Arranged and translated by Rabbi Mordecai Kaplan, the Sabbath Prayer Book is the first Reconstructionist prayerbook we know of to have entered the Public Domain.

A special service prepared by Rabbi David de Sola Pool for Thanksgiving Day in the United States at K.K. Shearith Israel and published by the Union of Sephardic Congregations in 1945.

A Friday night siddur compiled by two Conservative movement rabbis for use in traditional leaning congregations familiar with Reform movement arrangements. Besides containing four alternative services for Friday nights, the prayerbook also contains extensive musical notation for congregational participation in singing liturgical melodies and hymns.

מְנוּחַת שָׁלוֹם: תְּפִלַת לֵיל שַׁבָּת Menuchat Shalom: Late Service for Sabbath Eve (1943) was arranged by Isadore Shalom Ravetch as used in his congregation Temple Sinai (Long Beach, California).